ANTHONY Marshall and his wife, Charlene, on a break from his endless trial, at Sant Ambroeus on West Fourth Street, laughing it up with a man in a khaki suit . . . MICHAEL Douglas and his son, Dylan, 9, down ing burgers and fries at Shake Shack on Columbus Avenue when he got good news via cellphone about his new film, “Solitary Man” . . . NICOLE Kidman in a tight red mini- dress at Hotel Griffou with three female friends . . . BJORK at Lehmann Maupin Gallery in Chelsea, cleaning her 8-year-old son’s nose.